STM32 MCUs TouchGFX and GUI

Discuss STM32 and TouchGFX implementations, including configuration, debugging, and optimization.

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TouchGFX documentation feedback

We wish to always improve our documentation. The best reviews and critics always come from the people that read it, so we would like to use this post to collect your thoughts and feedbacks. Please share what you like, dislike, what you think is missi...

Share your Custom Widgets!

When creating a UI project, you may need widgets that are not part of the TouchGFX library. To create your own graphical element, the TouchGFX team suggests using the Custom Container approach. Since TouchGFX 4.20 it is possible to export and import ...

Resolved! Working with Callbacks

Hi,I am trying to get a simple numpad on screen working by using callbacks, rather than virtual functions.Here is the Screen1View.cpp. #include <gui/screen1_screen/Screen1View.hpp>   Screen1View::Screen1View() : // TextClickedCallback(this, &Screen1V...

Resolved! Framebuffer splitting in internal RAM

Im working on a STM32F407 MCU with an 320x240 px Display (16bit colors) connected to the FSMC. Id like to avoid using an external RAM.Is it possible to have a smaller Framebuffer located in the internal RAM? I guess it could be interesting to vary th...

JB91 by Associate II
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stm32f769 custom board with ov2640 camera jpeg output

Hi,we have custom board based on stm32f769 and ov2640 camera configured to jpeg output at 160x120 resolution. camera output is saved into file and when opened it is black.when file content is viewed it has proper header and end bytes as shown in scr...

Tp by Associate II
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Resolved! Change the Screen from Container

HiI have a container (menuScreen) with some buttons in it and I want to change to a screenview depending on the buttons. I'm accesing this container (menuScreen) from another container that is added in every screen in the designer.Is it possible to c...

Resolved! Call C++ functions from C

HiI would like to call C++ functions from C file.For example I have a Callback to change the screen (void FrontendApplication::goToMainScreenCustom()) in FrontendApplication. I want to call this function from a C file.Does anyone have an idea how to ...

Resolved! How to use smaller memory to draw line?

I am using touchgfx to draw a sine line.I have two questions.This is what I drawed using touchgfx simulator.First question:It looks like somewhere of the line is in light color, I don't konw why? Can it be fixed?This is the drawing using memeory . Th...

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Breeze1 by Associate III
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  • 2 replies
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Resolved! Simulator - Strange ghosting effect

I have made a custom slider , vertical , using pngs .When I run the simulator it does not appear .The default Slider shows but weird refresh and leaves a trail ?Also , is there a way to say which item is on top of the other ? Bring to front , send to...

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